mulwidgets/common/src/mulkeyboardutility.cpp
branchRCL_3
changeset 25 4ea6f81c838a
parent 23 514d98f21c43
child 26 0e9bb658ef58
equal deleted inserted replaced
23:514d98f21c43 25:4ea6f81c838a
     1 /*
       
     2 * Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Utility class for keyboard handling 
       
    15  *
       
    16 */
       
    17 
       
    18 
       
    19 // includes
       
    20 #include <w32std.h>
       
    21 #include <eikdef.h>
       
    22 #include <eikenv.h>
       
    23 #include <AknUtils.h>
       
    24 
       
    25 #include "mulkeyboardutility.h"
       
    26 
       
    27 const TUid KUidKeyBoardUtility = {0x02D811B8} ;
       
    28 
       
    29 CQwertySubscriber::CQwertySubscriber(TCallBack aCallBack, RProperty& aProperty)
       
    30      : CActive(EPriorityNormal), iCallBack(aCallBack), iProperty(aProperty)
       
    31 {
       
    32      CActiveScheduler::Add(this);
       
    33 }
       
    34  
       
    35  CQwertySubscriber::~CQwertySubscriber()
       
    36 {
       
    37      Cancel();
       
    38 }
       
    39  
       
    40  void CQwertySubscriber::SubscribeL()
       
    41 {
       
    42      if (!IsActive())
       
    43          {
       
    44          iProperty.Subscribe(iStatus);
       
    45          SetActive();
       
    46          }
       
    47 }
       
    48  
       
    49 void CQwertySubscriber::StopSubscribe()
       
    50 {
       
    51    Cancel();
       
    52 }
       
    53  
       
    54 void CQwertySubscriber::RunL()
       
    55 {
       
    56     if (iStatus.Int() == KErrNone)
       
    57     {
       
    58          iCallBack.CallBack();
       
    59          SubscribeL();
       
    60     }
       
    61 }
       
    62  
       
    63 void CQwertySubscriber::DoCancel()
       
    64 {
       
    65    iProperty.Cancel();
       
    66 }
       
    67 
       
    68 CKeyBoardUtility* CKeyBoardUtility:: NewL()
       
    69 { 
       
    70     CKeyBoardUtility* self = static_cast<CKeyBoardUtility*>( CCoeEnv::Static( KUidKeyBoardUtility ) ) ; 
       
    71     if(!self)
       
    72         {
       
    73         self = new( ELeave ) CKeyBoardUtility() ;
       
    74         }
       
    75     return self ;
       
    76 }
       
    77 
       
    78 
       
    79 CKeyBoardUtility::CKeyBoardUtility():CCoeStatic(KUidKeyBoardUtility, CCoeStatic::EThread /*or EApp*/ )
       
    80 {
       
    81 	bQwerty = EFalse;
       
    82     User::LeaveIfError(iQwertyModeStatusProperty.Attach(KCRUidAvkon, KAknQwertyInputModeActive));
       
    83     iQwertyModeStatusSubscriber = new (ELeave) CQwertySubscriber(TCallBack(QwertyModeChangeNotification, this), iQwertyModeStatusProperty);
       
    84     iQwertyModeStatusSubscriber->SubscribeL();
       
    85 }
       
    86 
       
    87 CKeyBoardUtility::~CKeyBoardUtility()
       
    88 {
       
    89 
       
    90     // Qwerty Notify clean-up
       
    91     if (iQwertyModeStatusSubscriber)
       
    92     {
       
    93        iQwertyModeStatusSubscriber->StopSubscribe();
       
    94     }
       
    95     iQwertyModeStatusProperty.Close();
       
    96     delete iQwertyModeStatusSubscriber;   
       
    97 }
       
    98 
       
    99 TInt CKeyBoardUtility::QwertyModeChangeNotification(TAny* aObj)
       
   100 {
       
   101     if (aObj != NULL)
       
   102     {
       
   103     	static_cast<CKeyBoardUtility*>(aObj)->HandleQwertyModeChangeNotification();
       
   104         return KErrNone;
       
   105     }
       
   106     else
       
   107     {
       
   108         return KErrArgument;
       
   109     }
       
   110 }
       
   111 
       
   112 void CKeyBoardUtility::HandleQwertyModeChangeNotification()
       
   113 {
       
   114 	     TInt value = 0;
       
   115 	     iQwertyModeStatusProperty.Get(value);    
       
   116 	     if(value > 0) 
       
   117 	     {
       
   118 	     	bQwerty = ETrue;
       
   119 	     }
       
   120 	     else
       
   121 	     {
       
   122 	     	bQwerty = EFalse;
       
   123 	     }
       
   124 }
       
   125 
       
   126 bool CKeyBoardUtility::IsQwerty()
       
   127 {
       
   128      TInt value = 0;
       
   129      iQwertyModeStatusProperty.Get(value);    
       
   130      if(value > 0) 
       
   131      {
       
   132      	bQwerty = true;
       
   133      }
       
   134      else
       
   135      {
       
   136      	bQwerty = false;
       
   137      }
       
   138 	return bQwerty;
       
   139 }